【摘要】 调查朱鹮觅食地食物的丰富度,为珍稀濒危物种朱鹮异地放飞提供数据支持。研究区为陕西省宁陕县水田,对朱鹮觅食地水田草丛、水体和基底3层动物进行捕捞、计数和鉴定。朱鹮觅食地-水田中发现记录动物35种,藕田种类明显低于稻田。水田泥层动物密度、生物量和有效生物量均达到最高;其次为水层,草丛最低。水田为朱鹮秋季提供了丰富的食物。更多还原

【Abstract】 The food abundance of Crested Ibis(Nipponia nippon)in autumn 2011in Ningshan county,Shaanxi was investigated in order to provide the support about the adaptation of rare species Crested Ibis to the natural habitat.The research site was located in the paddy field of Ningshaan county. Species,number and distribution of all animal from the grass layer,water layer and mud layer were investigated by using plot methods.Thirty five species were collected and identified in the paddy field and the number of species was higher in rice field than that in lotus field.There was highest density of animal,biomass and valid biomass in mud layer,followed by water layer and grass layer.The food was abundant for crested ibis in autumn in the area.更多还原